void OnTriggerEnter(Collider other)
{
SpaceObject obj = other.GetComponent <SpaceObject>();
if (obj != null && _parent != null)
{
// if enemy strikes enemy or asteroid => do nothing
if (_parent.GetComponent <Enemy>() != null && (obj.GetComponent <Asteroid>() != null || obj.GetComponent <Enemy>() != null))
{
return;
}
obj.DamageMe(obj, _parent.DamageLevel);
Destroy(gameObject);
}
}